100143404 has 12 divisors (see below), whose sum is σ = 175357728. Its totient is φ = 50041200.

The previous prime is 100143397. The next prime is 100143457. The reversal of 100143404 is 404341001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794 + ... + 14174.

It is an arithmetic number, because the mean of its divisors is an integer number (14613144).

Almost surely, 2^100143404 is an apocalyptic number.

It is an amenable number.

100143404 is a deficient number, since it is larger than the sum of its proper divisors (75214324).

100143404 is a wasteful number, since it uses less digits than its factorization.

100143404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15256 (or 15254 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100143404 is about 10007.1676312531. The cubic root of 100143404 is about 464.3806515219.

Adding to 100143404 its reverse (404341001), we get a palindrome (504484405).

The spelling of 100143404 in words is "one hundred million, one hundred forty-three thousand, four hundred four".